from django_redis import get_redis_connection
from rest_framework import serializers
from .utils import OAuthQQ
from users.models import User
from oauth.models import OAuthQQUser


class QQAuthUserSerializer(serializers.ModelSerializer):
    """
    qq登陆创建用户序列化器
    """
    access_token = serializers.CharField(label='操作凭证')
    mobile = serializers.RegexField(label='手机号',regex=r'^1[3-9]\d{9}$')
    password = serializers.CharField(label='密码',max_length=20,min_length=8)
    sms_code = serializers.CharField(label='短信验证码')

    def validate(self,data):
        #检验access_token
        access_token = data['access_token']
        #获取身份凭证
        openid = OAuthQQ.check_save_user_token(access_token)
        if not openid:
            raise serializers.ValidationError('无效的access_token')
        #将openid放在校验字典中
        data['openid'] = openid
        #检验短信验证码
        mobile = data['mobile']
        sms_code = data['sms_code']
        redis_conn = get_redis_connection('verify_codes')
        real_sms_code = redis_conn.get('sms_%s' % mobile)
        if real_sms_code.decode() != sms_code:
            raise serializers.ValidationError('短信验证码错误')

        #如果用户存在，检查用户密码
        try:
            user = User.objects.get(mobile=mobile)
        except User.DoesNotExist:
            pass
        else:
            password = data['password']
            if not user.check_password(password):
                raise serializers.ValidationError('密码错误')
            data['user'] = user
        return data
    def create(self,validated_data):
        #获取校验的数据
        user = validated_data.get('user')

        if not user:
            #用户不存在，新建用户
            user = User.objects.create_user(
                username=validated_data['mobile'],
                password=validated_data['password'],
                mobile = validated_data['mobile'],
            )
            #将用户绑定openid
            OAuthQQUser.objects.create(
                openid=validated_data['openid'],
                user=user
            )

            # 向视图对象中补充user对象属性，以便在视图中使用user
            self.context['view'].user = user
                #返回用户数据
            return user






# from django_redis import get_redis_connection
# from rest_framework import serializers
#
# from .utils import OAuthQQ
# from users.models import User
# from oauth.models import OAuthQQUser
#
#
# class QQAuthUserSerializer(serializers.Serializer):
#     """
#     QQ登录创建用户序列化器
#     """
#     access_token = serializers.CharField(label='操作凭证')
#     mobile = serializers.RegexField(label='手机号', regex=r'^1[3-9]\d{9}$')
#     password = serializers.CharField(label='密码', max_length=20, min_length=8)
#     sms_code = serializers.CharField(label='短信验证码')
#
#     def validate(self, data):
#         # 检验access_token
#         access_token = data['access_token']
#         # 获取身份凭证
#         openid = OAuthQQ.check_save_user_token(access_token)
#         if not openid:
#             raise serializers.ValidationError('无效的access_token')
#
#         # 将openid放在校验字典中，后面会使用
#         data['openid'] = openid
#
#         # 检验短信验证码
#         mobile = data['mobile']
#         sms_code = data['sms_code']
#         redis_conn = get_redis_connection('verify_codes')
#         real_sms_code = redis_conn.get('sms_%s' % mobile)
#         if real_sms_code.decode() != sms_code:
#             raise serializers.ValidationError('短信验证码错误')
#
#         # 如果用户存在，检查用户密码
#         try:
#             user = User.objects.get(mobile=mobile)
#         except User.DoesNotExist:
#             pass
#         else:
#             password = data['password']
#             if not user.check_password(password):
#                 raise serializers.ValidationError('密码错误')
#
#             # 将认证后的user放进校验字典中，后续会使用
#             data['user'] = user
#         return data
#
#     def create(self, validated_data):
#         # 获取校验的用户
#         user = validated_data.get('user')
#
#         if not user:
#             # 用户不存在,新建用户
#             user = User.objects.create_user(
#                 username=validated_data['mobile'],
#                 password=validated_data['password'],
#                 mobile=validated_data['mobile'],
#             )
#
#         # 将用户绑定openid
#         OAuthQQUser.objects.create(
#             openid=validated_data['openid'],
#             user=user
#         )
#         # 返回用户数据
#         return user
